2111570056932 has 96 divisors (see below), whose sum is σ = 5752256563200. Its totient is φ = 602624524320.

The previous prime is 2111570056861. The next prime is 2111570056943. The reversal of 2111570056932 is 2396500751112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3361707 + ... + 3940077.

It is an arithmetic number, because the mean of its divisors is an integer number (59919339200).

Almost surely, 2^{2111570056932} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111570056932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2876128281600).

2111570056932 is an abundant number, since it is smaller than the sum of its proper divisors (3640686506268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111570056932 is a wasteful number, since it uses less digits than its factorization.

2111570056932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579286 (or 579270 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 2111570056932 in words is "two trillion, one hundred eleven billion, five hundred seventy million, fifty-six thousand, nine hundred thirty-two".